US Bridges

SH 14 Ml over Larimer CO Canal

Fair

Weld County, Colorado · 4.8 MI E of JCT SH 257 · Structure no. B-17-J

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
8,900
2020 count
Owner
State
State Highway Agency

About this bridge

SH 14 Ml over Larimer CO Canal is a concrete tee beam carrying SH 14 Ml over Larimer CO Canal in Weld County, Colorado. It was built in 1957, so it is 68 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,900 vehicles a day, roughly 11% of them trucks, projected to reach 13,261 by 2040. The structure is 26 ft (7.9 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 14 Ml
CrossesLarimer CO Canal
Location4.8 MI E of JCT SH 257
RouteState Highway 14C
Coordinates40.58217, -104.81647
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.7 US tons
Inventory rating42.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2020)
Projected traffic13,261 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 14 Ml over Larimer CO Canal built?

It was built in 1957, making it 68 years old in 2025.

What condition is SH 14 Ml over Larimer CO Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does SH 14 Ml over Larimer CO Canal carry?

About 8,900 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SH 14 Ml over Larimer CO Canal?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns SH 14 Ml over Larimer CO Canal?

It is owned by the State Highway Agency.